<div class="navbar-brand-box">
   <a class="navbar-brand text-wrap" href="{{ pathto('index') }}">
      {% if logo %}
      <!-- `logo` is deprecated in Sphinx 4.0, so remove this when we stop supporting 3 -->
      {% set logo_url=logo %}
      {% endif %}
      {% if logo_url %}
      <img src="{{ pathto('_static/' + logo_url, 1) }}" class="logo" alt="logo">
      {% endif %}
      {% if docstitle and not theme_logo_only %}
      <h1 class="site-logo" id="site-title">{{ docstitle }}</h1>
      {% endif %}
   </a>
</div>
